Chordates
Axial 1
Axial 2
Appendicular 1
Appendicular 2
100
Which of these is the Notochord?
C
100
What is this?
Fish Caudal vertebrae
100
Which vertebrae is this?
Axis
100
What bones make up the pectoral appendages?
Humerus, Ulna, Radius, Carpals, Metacarpals, and Phalanges
100
What bone is this? What is 1 pointing to?
Clavicle. 1 is the sternal end
200
Where is the dorsal nerve chord?
B
200
What is this?
Cat Sacrum
200
What is D pointing to
The Dens of the Axis
200
What is F pointing to?
Spine of the scapula
200
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What three bones make up the pelvis in mammals?
Ilium, Ischium, Pubis.
300
Which of these is the oral hood?
8
300
Where is the neural arch and what does it protect?
N.C. and it protects the notochord
300
What is C point to and what animal is it from?
Urostyle in frogs
300
What is this? How can you tell?
Shark pectoral girdle. It has scapular cartilage and mesopterygium.
300
What is highlighted in red here? What bones is it the fusion of?
Furcula, aka wishbone. Fusion of the two clavicles
400
What is 5 pointing to?
Pharyngeal gill slits
400
What is this? For bonus points: What animal is it from and what bones is it made up of?
Synsacrum in birds. Fusion of the last thoracic, all the lumbar, 2 sacral, and several caudal vertebrae.
400
What kind of vertebrae is this? How can you tell?
Cervical vertebrae. Transverse foramen and bifurcated spinous process.
400
What is this bone? How can you tell?
Femur. Large head that articulates with the pelvis.
400
What is 16 pointing to? How can you tell? What bones is it the fusion of?
Tibiotarsus. It is below the femur (10). Tibia and tarsal bones
500
What is I labeled on this image?
Epibranchial Groove
500
What kind of vertebrae is this? How can you tell?
Thoracic. Long spinous process
500
What is 1 point to?
Spinous process
500
What are these bones? Which is which? and how do you know?
Ulna and Radius. Ulna has a large olecranon process that articulates with the humerus. The Ulna is also typically larger near the humerus and smaller near the carpals while the radius is opposite. Bonus: what animal are these from?
500
What is F pointing to?
Pisiform